armature winding of dc machine produce alternating emf then it convert in to dc by using commutator.But only we consider armature resistance why don't we consider inductive reactane effect?

0 Answers   APTransco,

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Three phase power is measured with two wattmeeter for balance three phase load.the reading of one wattmeter is zero.we can conclude that the power factor of balance load is?

1 Answers  

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why we use low kv lightining arrester in line for example 9 kv using in 11kv

1 Answers  

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what are the main differences of delta and star connection

5 Answers   Essar,

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What is mean by discrimination of circuit breaker ?

1 Answers  

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how to calculate energy of 3-phase motor?

0 Answers   Suzlon,

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What is EHT(Abrebiation,Function,Voltage Regulation & how it works?

2 Answers   Adhunik,

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When color of silica gel will gets change from blue to pink from Top to bottom?

0 Answers  

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At full load wat is the motor p.f And at no load will is the motor p.f?

0 Answers   GEPL,

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Multi-step core is used in transformer to: A) Increase the output B) Decrease the cost of core material C) Decrease the cost of copper D) Increase the efficiency

1 Answers   Accenture,

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what is the difference between 2-phase and 3-phase?

1 Answers  

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please send me previose rrb junior engineer qustion papers

0 Answers   RRB,

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